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. 2020 Dec 24;18(1):90. doi: 10.3390/ijerph18010090

Table 3.

The environmental parameters in the experiment.

Group Illumination
(lx)
Humidity
(%)
Temperature
(°C)
Noise
(dB)
AQI
DG 3510.67 ± 192.21b 63.27 ± 1.4a 21.73 ± 0.21a 46.33 ± 1.23a 18
NG 8 ± 3.64a 71.07 ± 1.46b 19.02 ± 0.21c 45.33 ± 1.87a 23
DU 7982.5 ± 1642.74c 67.83 ± 1.16b 19.6 ± 0.13b 60.83 ± 2.12c 19
NU 29.5 ± 7.41a 78.25 ± 0.73c 17.5 ± 0.14d 52.17 ± 0.54b 25

Note: The DG, NG, DU, and NU represent daytime green walking, nighttime green walking, daytime urban walking, and nighttime urban walking, respectively. AQI represents Air Quality Index, and AQI < 50 means excellent air quality. Data are expressed as mean ± stand error. Different lowercase letters after the numbers represent statistically significant differences in different trials (p < 0.05), analyzed using one-way ANOVA and Duncan’s multiple range test (N = 6).